#include<stdio.h>
#include"sqrt.h"
int main()
{
  int arr[]={2,4,8,9,0,2,1,6,4};
  int n=sizeof(arr)/sizeof(arr[0]);
  sort(arr,n);
  for(int i=0;i<n;++i)
  {
    printf("%d ",arr[i]);
  }
  printf("\n");
  return 0;
}
